Submarine



FIG. 1 is a perspective view of a submarine.

FIG. 2 is a side view of the left side of the submarine of FIG. 1.

FIG. 3 is a side view of the right side of the submarine of FIG. 1.

FIG. 4 is a top view of the submarine of FIG. 1.

FIG. 5 is a bottom view of the submarine of FIG. 1.

FIG. 6 is a rear view of the submarine of FIG. 1; and,

FIG. 7 is a front view of the submarine of FIG. 1.

The broken lines shown are included for the purpose of illustrating portions of the article which form no part of the claimed design. 

CLAIM I claim the ornamental design for a submarine, as shown and described. 